1HEADmaster

8 files changed, 1684 insertions, 0 deletions

diff --git a/utils/vweightexp/vweight.cpp b/utils/vweightexp/vweight.cpp
new file mode 100644
index 0000000..b873ba5
--- /dev/null
+++ b/utils/vweightexp/vweight.cpp
@@ -0,0 +1,436 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "MAX.H"
+#include "DECOMP.H"
+#include "STDMAT.H"
+#include "ANIMTBL.H"
+#include "istdplug.h"
+#include "phyexp.h"
+#include "BonesPro.h"
+
+#include "vweightexprc.h"
+#include "vweightexp.h"
+#include "vweightimp.h"
+
+
+// Save for use with dialogs
+static HINSTANCE hInstance;
+
+// We just need one of these to hand off to 3DSMAX.
+static VWeightExportClassDesc VWeightExportCD;
+static VWeightImportClassDesc VWeightImportCD;
+
+
+//===================================================================
+// Required plug-in export functions
+//
+BOOL WINAPI DllMain( HINSTANCE hinstDLL, ULONG fdwReason, LPVOID lpvReserved) 
+{	
+	static int fFirstTimeHere = TRUE;
+	if (fFirstTimeHere)
+	{
+		fFirstTimeHere = FALSE;
+		hInstance = hinstDLL;
+	}
+	return TRUE;
+}
+
+	
+EXPORT_THIS int LibNumberClasses(void)
+{
+	return 2;
+}
+
+	
+EXPORT_THIS ClassDesc *LibClassDesc(int iWhichClass)
+{
+	switch(iWhichClass)
+	{
+		case 0: return &VWeightExportCD;
+		case 1: return &VWeightImportCD;
+		default: return 0;
+	}
+}
+
+	
+EXPORT_THIS const TCHAR *LibDescription()
+{
+	return _T("Valve VVW Plug-in.");
+}
+
+	
+EXPORT_THIS ULONG LibVersion()
+{
+	return VERSION_3DSMAX;
+}
+
+
+
+//===================================================================
+// Utility functions
+//
+
+int AssertFailedFunc(char *sz)
+{
+	MessageBox(GetActiveWindow(), sz, "Assert failure", MB_OK);
+	int Set_Your_Breakpoint_Here = 1;
+	return 1;
+}
+
+
+//=================================================================
+// Methods for CollectModelTEP
+//
+Modifier *FindPhysiqueModifier (INode *nodePtr)
+{
+	// Get object from node. Abort if no object.
+	Object *ObjectPtr = nodePtr->GetObjectRef();
+	if (!ObjectPtr) return NULL;
+
+	// Is derived object ?
+	if (ObjectPtr->SuperClassID() == GEN_DERIVOB_CLASS_ID)
+	{
+		// Yes -> Cast.
+		IDerivedObject *DerivedObjectPtr = static_cast<IDerivedObject*>(ObjectPtr);
+
+		// Iterate over all entries of the modifier stack.
+		int ModStackIndex = 0;
+		while (ModStackIndex < DerivedObjectPtr->NumModifiers())
+		{
+			// Get current modifier.
+			Modifier *ModifierPtr = DerivedObjectPtr->GetModifier(ModStackIndex);
+
+			// Is this Physique ?
+			if (ModifierPtr->ClassID() == Class_ID(	PHYSIQUE_CLASS_ID_A, PHYSIQUE_CLASS_ID_B) )
+			{
+				// Yes -> Exit.
+				return ModifierPtr;
+			}
+			// Next modifier stack entry.
+			ModStackIndex++;
+		}
+	}
+	// Not found.
+	return NULL;
+}
+
+Modifier *FindBonesProModifier (INode *nodePtr)
+{
+	// Get object from node. Abort if no object.
+	Object *ObjectPtr = nodePtr->GetObjectRef();
+	if (!ObjectPtr) return NULL;
+
+	// Is derived object ?
+	if (ObjectPtr->SuperClassID() == GEN_DERIVOB_CLASS_ID)
+	{
+		// Yes -> Cast.
+		IDerivedObject *DerivedObjectPtr = static_cast<IDerivedObject*>(ObjectPtr);
+
+		// Iterate over all entries of the modifier stack.
+		int ModStackIndex = 0;
+		while (ModStackIndex < DerivedObjectPtr->NumModifiers())
+		{
+			// Get current modifier.
+			Modifier *ModifierPtr = DerivedObjectPtr->GetModifier(ModStackIndex);
+
+			// Is this Bones Pro OSM?
+			if (ModifierPtr->ClassID() == BP_CLASS_ID_OSM )
+			{
+				// Yes -> Exit.
+				return ModifierPtr;
+			}
+			// Is this Bones Pro WSM?
+			if (ModifierPtr->ClassID() == BP_CLASS_ID_WSM )
+			{
+				// Yes -> Exit.
+				return ModifierPtr;
+			}
+			// Next modifier stack entry.
+			ModStackIndex++;
+		}
+	}
+	// Not found.
+	return NULL;
+}
+
+
+
+//========================================================================
+// Utility functions for getting/setting the personal "node index" property.
+// NOTE: I'm storing a string-property because I hit a 3DSMax bug in v1.2 when I
+// NOTE: tried using an integer property.
+// FURTHER NOTE: those properties seem to change randomly sometimes, so I'm
+// implementing my own.
+
+typedef struct
+{
+	char	szNodeName[MAX_NAME_CHARS];
+} NAMEMAP;
+const int MAX_NAMEMAP = 512;
+static NAMEMAP g_NameMap[MAX_NAMEMAP];
+static int g_cNameMap = 0;
+
+void ResetINodeMap( void )
+{
+	g_cNameMap = 0;
+}
+
+int BuildINodeMap(INode *pnode)
+{
+	if (!FUndesirableNode(pnode))
+	{
+		AddINode(pnode);
+	}
+
+	// For each child of this node, we recurse into ourselves
+	// until no more children are found.
+	for (int c = 0; c < pnode->NumberOfChildren(); c++)
+	{
+		BuildINodeMap(pnode->GetChildNode(c));
+	}
+	
+	return g_cNameMap;
+}
+
+
+int GetIndexOfNodeName(char *szNodeName, BOOL fAssertPropExists)
+{
+	for (int inm = 0; inm < g_cNameMap; inm++)
+	{
+		if (FStrEq(g_NameMap[inm].szNodeName, szNodeName))
+		{
+			return inm;
+		}
+	}
+
+	return -1;
+}
+
+int GetIndexOfINode( INode *pnode, BOOL fAssertPropExists )
+{
+	return GetIndexOfNodeName( pnode->GetName(), fAssertPropExists );
+}
+	
+void AddINode( INode *pnode )
+{
+	TSTR strNodeName(pnode->GetName());
+	for (int inm = 0; inm < g_cNameMap; inm++)
+	{
+		if (FStrEq(g_NameMap[inm].szNodeName, (char*)strNodeName))
+		{
+			return;
+		}
+	}
+
+	ASSERT_MBOX(g_cNameMap < MAX_NAMEMAP, "NAMEMAP is full");
+	strcpy(g_NameMap[g_cNameMap++].szNodeName, (char*)strNodeName);
+}
+
+
+//=============================================================
+// Returns TRUE if a node should be ignored during tree traversal.
+//
+BOOL FUndesirableNode(INode *pnode)
+{
+	// Get Node's underlying object, and object class name
+	Object *pobj = pnode->GetObjectRef();
+
+	if (!pobj)
+		return TRUE;
+	// Don't care about lights, dummies, and cameras
+	if (pobj->SuperClassID() == CAMERA_CLASS_ID)
+		return TRUE;
+	if (pobj->SuperClassID() == LIGHT_CLASS_ID)
+		return TRUE;
+	if (!strstr(pnode->GetName(), "Bip01" ))
+		return TRUE;
+
+	return FALSE;
+
+	// Actually, if it's not selected, pretend it doesn't exist!
+	//if (!pnode->Selected())
+	//	return TRUE;
+	//return FALSE;
+}
+
+
+//=============================================================
+// Returns TRUE if a node has been marked as skippable
+//
+BOOL FNodeMarkedToSkip(INode *pnode)
+{
+	return (::GetIndexOfINode(pnode) == UNDESIRABLE_NODE_MARKER);
+}
+
+	
+
+//=============================================================
+// gets a weighted value for the current system of nodes
+//
+void GetUnifiedCoord( Point3 &p1, MaxVertWeight pweight[], MaxNode maxNode[], int cMaxNode )
+{
+	float flMin = 1E20f;
+	for (int iNode = 0; iNode < cMaxNode; iNode++)
+	{
+		float f = (p1 - maxNode[iNode].mat3NodeTM.GetTrans()).LengthSquared();
+		if (f > 0 && f < flMin)
+			flMin = f;
+		pweight[iNode].flDist = f;
+	}
+
+	float flTotal = 0;
+	float flInvMin = 1.0 / flMin;
+	for (iNode = 0; iNode < cMaxNode; iNode++)
+	{
+		if (pweight[iNode].flDist > 0)
+		{
+			pweight[iNode].flDist = flInvMin / pweight[iNode].flDist;
+		}
+		else
+		{
+			pweight[iNode].flDist = 10.0;
+		}
+		flTotal += pweight[iNode].flDist;
+	}
+
+	float flInvTotal;
+	if (flTotal > 0)
+	{
+		flInvTotal = 1.0 / flTotal;
+	}
+	else
+	{
+		flInvTotal = 1.0;
+	}
+
+	for (iNode = 0; iNode < cMaxNode; iNode++)
+	{
+		pweight[iNode].flDist = pweight[iNode].flDist * flInvTotal;
+		// fprintf(m_pfile, "%8.4f ", pweight[iNode].flDist );
+	}
+}
+
+
+int GetBoneWeights( IPhyContextExport *mcExport, int iVertex, MaxVertWeight *pweight)
+{
+	float fTotal = 0;
+	IPhyVertexExport *vtxExport = mcExport->GetVertexInterface(iVertex);
+
+	if (vtxExport)
+	{
+		if (vtxExport->GetVertexType() & BLENDED_TYPE)
+		{
+			IPhyBlendedRigidVertex *pBlend = ((IPhyBlendedRigidVertex *)vtxExport);
+
+			for (int i = 0; i < pBlend->GetNumberNodes(); i++)
+			{
+				int index = GetIndexOfINode( pBlend->GetNode( i ) );
+				if (index >= 0)
+				{
+					pweight[index].flWeight = pBlend->GetWeight( i );
+					fTotal += pweight[index].flWeight;
+				}
+			}
+		}
+		else 
+		{
+			INode *Bone = ((IPhyRigidVertex *)vtxExport)->GetNode();
+			int index = GetIndexOfINode(Bone);
+			if (index >= 0)
+			{
+				pweight[index].flWeight = 100.0;
+			}
+		}
+		mcExport->ReleaseVertexInterface(vtxExport);
+	}
+	return (fTotal > 0);
+}
+
+
+int GetBoneWeights( Modifier * bonesProMod, int iVertex, MaxVertWeight *pweight)
+{
+	int iTotal = 0;
+	int nb = bonesProMod->SetProperty( BP_PROPID_GET_N_BONES, NULL );
+
+	for ( int iBone = 0; iBone < nb; iBone++)
+	{
+		BonesPro_BoneVertex bv;
+		bv.bindex = iBone;
+		bv.vindex = iVertex;
+		bonesProMod->SetProperty( BP_PROPID_GET_BV, &bv );
+
+		if (bv.included > 0 && bv.forced_weight >= 0)
+		{
+			BonesPro_Bone bone;
+			bone.t = BP_TIME_ATTACHED;
+			bone.index = iBone;
+			bonesProMod->SetProperty( BP_PROPID_GET_BONE_STAT, &bone );
+
+			if (bone.node != NULL)
+			{
+				int index = GetIndexOfINode( bone.node );
+
+				if (index >= 0)
+				{
+					pweight[index].flWeight = bv.forced_weight;
+					iTotal++;
+				}
+			}
+		}
+	}
+	return iTotal;
+}
+
+
+void SetBoneWeights( Modifier * bonesProMod, int iVertex, MaxVertWeight *pweight)
+{
+	int nb = bonesProMod->SetProperty( BP_PROPID_GET_N_BONES, NULL );
+
+	// FILE *fp = fopen("bone2.txt", "w");
+
+	for ( int iBone = 0; iBone < nb; iBone++)
+	{
+		BonesPro_Bone bone;
+		bone.t = BP_TIME_ATTACHED;
+		bone.index = iBone;
+		bonesProMod->SetProperty( BP_PROPID_GET_BONE_STAT, &bone );
+
+		/*
+		if (GetIndexOfINode( bone.node ) >= 0)
+		{
+			fprintf( fp, "\"%s\" %d\n", bone.name, GetIndexOfINode( bone.node ) );
+		}
+		else
+		{
+			fprintf( fp, "\"%s\"\n", bone.name );
+		}
+		*/
+
+		BonesPro_BoneVertex bv;
+		bv.bindex = iBone;
+		bv.vindex = iVertex;
+		bv.included = 0;
+		bv.forced_weight = -1;
+
+		if (bone.node != NULL)
+		{
+			int index = GetIndexOfINode( bone.node );
+
+			if (index >= 0 && pweight[index].flWeight >= 0)
+			{
+				bv.included = 1;
+				bv.forced_weight = pweight[index].flWeight;
+			}
+		}
+		bonesProMod->SetProperty( BP_PROPID_SET_BV, &bv );
+	}
+	//fclose(fp);
+	//exit(1);
+}
+
diff --git a/utils/vweightexp/vweightexp.cpp b/utils/vweightexp/vweightexp.cpp
new file mode 100644
index 0000000..19bc32c
--- /dev/null
+++ b/utils/vweightexp/vweightexp.cpp
@@ -0,0 +1,356 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "MAX.H"
+#include "DECOMP.H"
+#include "STDMAT.H"
+#include "ANIMTBL.H"
+#include "istdplug.h"
+#include "phyexp.h"
+#include "BonesPro.h"
+
+#include "vweightexprc.h"
+#include "vweightexp.h"
+
+
+//===================================================================
+// Global variable definitions
+//
+
+// For OutputDebugString and misc sprintf's
+static char st_szDBG[300];
+
+
+
+//=====================================================================
+// Methods for VWeightExportClass
+//
+
+CONSTRUCTOR VWeightExportClass::VWeightExportClass(void)
+{
+	m_cMaxNode	= 0;
+	m_cMaxVertex	= 0;
+}
+
+
+DESTRUCTOR VWeightExportClass::~VWeightExportClass(void)
+{
+	for (int i = 0; i < m_cMaxVertex; i++)
+	{
+		delete[] m_MaxVertex[i];
+	}
+}
+
+
+int VWeightExportClass::DoExport(const TCHAR *name, ExpInterface *ei, Interface *pi, BOOL suppressPrompts, DWORD options) 
+{
+	ExpInterface	*pexpiface = ei;	// Hungarian
+	Interface		*piface = pi;		// Hungarian
+	
+	// Reset the name-map property manager
+	ResetINodeMap();
+
+	// Break up filename, re-assemble longer versions
+	TSTR strPath, strFile, strExt;
+	TCHAR szFile[MAX_PATH];
+	SplitFilename(TSTR(name), &strPath, &strFile, &strExt);
+		sprintf(szFile,  "%s\\%s.%s",  (char*)strPath, (char*)strFile, DEFAULT_EXT);
+
+
+	// Get animation metrics
+	m_intervalOfAnimation = piface->GetAnimRange();
+	m_tvStart = m_intervalOfAnimation.Start();
+	m_tvEnd = m_intervalOfAnimation.End();
+	m_tpf = ::GetTicksPerFrame();
+
+
+	Interface *ip = GetCOREInterface();
+
+	ResetINodeMap( );
+	m_cMaxNode = BuildINodeMap( ip->GetRootNode() );
+
+	// Count nodes, label them, collect into array
+	CollectNodes( ip->GetRootNode() );
+
+	CollectModel( pexpiface );
+
+#if 1
+	FILE *pFile;
+	if ((pFile = fopen(szFile, "wb")) == NULL)
+		return FALSE/*failure*/;
+
+	int version = 1;
+	fwrite( &version, 1, sizeof( int ), pFile );
+
+	int i, j;
+
+	fwrite( &m_cMaxNode, 1, sizeof( int ), pFile );
+	fwrite( &m_cMaxVertex, 1, sizeof( int ), pFile );
+
+	for (i = 0; i < m_cMaxNode; i++)
+	{
+		fwrite( &m_MaxNode[i], 1, sizeof(m_MaxNode[i]), pFile );
+	}
+
+	for (j = 0; j < m_cMaxVertex; j++)
+	{
+		fwrite( m_MaxVertex[j], m_cMaxNode, sizeof(MaxVertWeight), pFile );
+	}
+
+	fclose( pFile );
+#else
+	FILE *pFile;
+	if ((pFile = fopen(szFile, "w")) == NULL)
+		return FALSE/*failure*/;
+
+	fprintf( pFile, "version %d\n", 1 );
+
+	int i, j;
+
+	fprintf(pFile, "%d\n", m_cMaxNode );
+	fprintf(pFile, "%d\n", m_cMaxVertex );
+
+	for (i = 0; i < m_cMaxNode; i++)
+	{
+		fprintf(pFile, "%5d \"%s\" %3d\n", 
+			i, m_MaxNode[i].szNodeName, m_MaxNode[i].imaxnodeParent );
+	}
+
+	for (j = 0; j < m_cMaxVertex; j++)
+	{
+		fprintf( pFile, "%d ", j );
+
+		for (int i = 0; i < m_cMaxNode; i++)
+		{
+			// if (strstr(m_MaxNode[i].szNodeName, "Bip01 R Finger"))
+			// if (m_MaxNode[i].szNodeName[0] == 'D')
+			{
+				fprintf(pFile, " %5.3f", m_MaxVertex[j][i].flDist );
+				fprintf(pFile, " %3.0f", m_MaxVertex[j][i].flWeight );
+			}
+		}
+		fprintf(pFile, "\n" );
+	}
+
+	fclose( pFile );
+#endif
+
+	// Tell user that exporting is finished (it can take a while with no feedback)
+	char szExportComplete[300];
+	sprintf(szExportComplete, "Exported %s.", szFile);
+	MessageBox(GetActiveWindow(), szExportComplete, "Status", MB_OK);
+
+
+	return 1/*success*/;
+}
+	
+	
+void VWeightExportClass::CollectNodes( INode *pnode )
+{
+	// Get pre-stored "index"
+	int index = ::GetIndexOfINode(pnode);
+
+	if (index >= 0)
+	{
+		// Get name, store name in array
+		TSTR strNodeName(pnode->GetName());
+		strcpy(m_MaxNode[index].szNodeName, (char*)strNodeName);
+
+		// Get Node's time-zero Transformation Matrices
+		m_MaxNode[index].mat3NodeTM		= pnode->GetNodeTM(0);
+		m_MaxNode[index].mat3ObjectTM	= pnode->GetObjectTM(0);
+	}
+
+	for (int c = 0; c < pnode->NumberOfChildren(); c++)
+	{
+		CollectNodes(pnode->GetChildNode(c));
+	}
+
+	return;
+}
+
+	
+	
+BOOL VWeightExportClass::CollectModel( ExpInterface *pexpiface)
+{
+	// Dump mesh info: vertices, normals, UV texture map coords, bone assignments
+	CollectModelTEP procCollectModel;
+
+	// init data
+	m_cMaxVertex = 0;
+
+	procCollectModel.m_phec	= this;
+	//fprintf(pFile, "triangles\n" );
+	procCollectModel.m_tvToDump = m_tvStart;
+	(void) pexpiface->theScene->EnumTree(&procCollectModel);
+	//fprintf(pFile, "end\n" );
+	return TRUE;
+}	
+
+
+// #define DEBUG_MESH_DUMP
+
+//=================================================================
+// Methods for CollectModelTEP
+//
+int CollectModelTEP::callback(INode *pnode)
+{
+	if (::FNodeMarkedToSkip(pnode))
+		return TREE_CONTINUE;
+
+	if ( !pnode->Selected())
+		return TREE_CONTINUE;
+
+	// clear physique export parameters
+	m_mcExport = NULL;
+	m_phyExport = NULL;
+    m_phyMod = NULL;
+    m_bonesProMod = NULL;
+
+	ASSERT_MBOX(!(pnode)->IsRootNode(), "Encountered a root node!");
+
+	int iNode = ::GetIndexOfINode(pnode);
+	TSTR strNodeName(pnode->GetName());
+	
+	// The Footsteps node apparently MUST have a dummy mesh attached!  Ignore it explicitly.
+	if (FStrEq((char*)strNodeName, "Bip01 Footsteps"))
+		return TREE_CONTINUE;
+
+	// Helper nodes don't have meshes
+	Object *pobj = pnode->GetObjectRef();
+	if (pobj->SuperClassID() == HELPER_CLASS_ID)
+		return TREE_CONTINUE;
+
+	// Get Node's object, convert to a triangle-mesh object, so I can access the Faces
+	ObjectState os = pnode->EvalWorldState(m_tvToDump);
+	pobj = os.obj;
+
+	// Shouldn't have gotten this far if it's a helper object
+	if (pobj->SuperClassID() == HELPER_CLASS_ID)
+	{
+		sprintf(st_szDBG, "ERROR--Helper node %s has an attached mesh, and it shouldn't.", (char*)strNodeName);
+		ASSERT_AND_ABORT(FALSE, st_szDBG);
+	}
+
+	// convert mesh to triobject
+	if (!pobj->CanConvertToType(triObjectClassID))
+		return TREE_CONTINUE;
+	TriObject *ptriobj = (TriObject*)pobj->ConvertToType(m_tvToDump, triObjectClassID);
+
+	if (ptriobj == NULL)
+		return TREE_CONTINUE;
+
+	Mesh *pmesh = &ptriobj->mesh;
+
+	// We want the vertex coordinates in World-space, not object-space
+	Matrix3 mat3ObjectTM = pnode->GetObjectTM(m_tvToDump);
+
+	// initialize physique export parameters
+    m_phyMod = FindPhysiqueModifier(pnode);
+    if (m_phyMod)
+	{
+		// Physique Modifier exists for given Node
+	    m_phyExport = (IPhysiqueExport *)m_phyMod->GetInterface(I_PHYINTERFACE);
+
+        if (m_phyExport)
+        {
+            // create a ModContext Export Interface for the specific node of the Physique Modifier
+           m_mcExport = (IPhyContextExport *)m_phyExport->GetContextInterface(pnode);
+
+		   if (m_mcExport)
+		   {
+		       // convert all vertices to Rigid 
+                m_mcExport->ConvertToRigid(TRUE);
+		   }
+		}
+	}
+
+	// initialize bones pro export parameters
+	m_wa  = NULL;
+	m_bonesProMod = FindBonesProModifier(pnode);
+	if (m_bonesProMod)
+	{
+		m_bonesProMod->SetProperty( BP_PROPID_GET_WEIGHTS, &m_wa );
+	}
+
+
+	int cVerts = pmesh->getNumVerts();
+
+	// Dump the triangle face info
+	int cFaces = pmesh->getNumFaces();
+
+	int *iUsed = new int[cVerts];
+
+	for (int iVert = 0; iVert < cVerts; iVert++)
+	{
+		iUsed[iVert] = 0;
+	}
+
+	for (int iFace = 0; iFace < cFaces; iFace++)
+	{
+		if (pmesh->faces[iFace].flags & HAS_TVERTS)
+		{
+			iUsed[pmesh->faces[iFace].getVert(0)] = 1;
+			iUsed[pmesh->faces[iFace].getVert(1)] = 1;
+			iUsed[pmesh->faces[iFace].getVert(2)] = 1;
+		}
+	}
+
+	for (iVert = 0; iVert < cVerts; iVert++)
+	{
+		MaxVertWeight *pweight = m_phec->m_MaxVertex[m_phec->m_cMaxVertex] = new MaxVertWeight [m_phec->m_cMaxNode];
+
+		Point3 pt3Vertex1 = pmesh->getVert(iVert);
+		Point3 v1 = pt3Vertex1 * mat3ObjectTM;
+
+		GetUnifiedCoord( v1, pweight, m_phec->m_MaxNode, m_phec->m_cMaxNode );
+
+		if (CollectWeights( iVert, pweight ))
+		{
+			m_phec->m_cMaxVertex++;
+		}
+	}	
+
+	// fflush( m_pfile );
+
+	return TREE_CONTINUE;
+}
+
+
+int CollectModelTEP::CollectWeights(int iVertex, MaxVertWeight *pweight)
+{
+	for (int index = 0; index < m_phec->m_cMaxNode; index++)
+	{
+		pweight[index].flWeight = -1;
+	}
+
+	if (m_mcExport)
+	{
+		return GetBoneWeights( m_mcExport, iVertex, pweight );
+	}
+	else
+	{
+		return GetBoneWeights( m_bonesProMod, iVertex, pweight );
+	}
+}
+
+void CollectModelTEP::cleanup(void)
+{
+	if (m_phyMod && m_phyExport)
+	{
+		if (m_mcExport)
+		{
+			m_phyExport->ReleaseContextInterface(m_mcExport);
+			m_mcExport = NULL;
+        }
+        m_phyMod->ReleaseInterface(I_PHYINTERFACE, m_phyExport);
+		m_phyExport = NULL;
+		m_phyMod = NULL;
+	}
+}
+
diff --git a/utils/vweightexp/vweightexp.def b/utils/vweightexp/vweightexp.def
new file mode 100644
index 0000000..b39737b
--- /dev/null
+++ b/utils/vweightexp/vweightexp.def
@@ -0,0 +1,8 @@
+LIBRARY vweightexp
+EXPORTS
+	LibDescription		@1
+	LibNumberClasses	@2
+	LibClassDesc		@3
+	LibVersion			@4
+SECTIONS
+	.data READ WRITE
diff --git a/utils/vweightexp/vweightexp.h b/utils/vweightexp/vweightexp.h
new file mode 100644
index 0000000..85ce670
--- /dev/null
+++ b/utils/vweightexp/vweightexp.h
@@ -0,0 +1,183 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+//===================================================================
+// Useful macros
+//
+#define CONSTRUCTOR
+#define DESTRUCTOR
+
+#define EXPORT_THIS		__declspec(dllexport)
+
+#define DEFAULT_EXT		_T("vvw")
+
+#define FStrEq(sz1, sz2) (strcmp((sz1), (sz2)) == 0)
+
+
+//=============================================================================
+//							TREE-ENUMERATION PROCEDURES
+//=============================================================================
+
+#define ASSERT_AND_ABORT(f, sz)							\
+	if (!(f))											\
+	{													\
+		ASSERT_MBOX(FALSE, sz);							\
+		cleanup( );										\
+		return TREE_ABORT;								\
+	}
+
+
+// Integer constants for this class
+enum
+	{
+	MAX_NAME_CHARS			= 70,
+	UNDESIRABLE_NODE_MARKER	= -7777
+	};
+
+// For keeping info about each (non-ignored) 3dsMax node in the tree
+typedef struct
+{
+	char		szNodeName[MAX_NAME_CHARS];	// usefull for lookups
+	Matrix3		mat3NodeTM;					// node's transformation matrix (at time zero)
+	Matrix3		mat3ObjectTM;				// object-offset transformation matrix (at time zero)
+	int			imaxnodeParent;				// cached index of parent node
+} MaxNode;
+
+typedef struct
+{
+	float		flDist;
+	float		flWeight;
+} MaxVertWeight;
+
+//===================================================================
+// Class that implements the scene-export.
+//
+class VWeightExportClass : public SceneExport
+{
+	friend BOOL CALLBACK ExportOptionsDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
+	friend class CollectModelTEP;
+
+public:
+	CONSTRUCTOR				VWeightExportClass	(void);
+	DESTRUCTOR				~VWeightExportClass	(void);
+
+	// Required by classes derived from SceneExport
+	virtual int				ExtCount		(void)		{ return 1;						}
+	virtual const TCHAR*	Ext				(int i)		{ return DEFAULT_EXT;			}
+	virtual const TCHAR*	LongDesc		(void)		{ return _T("Valve Skeletal Model Exporter for 3D Studio Max");	}
+	virtual const TCHAR*	ShortDesc		(void)		{ return _T("Valve VVW");			}
+	virtual const TCHAR*	AuthorName		(void)		{ return _T("Valve, LLC");			}
+	virtual const TCHAR*	CopyrightMessage(void)		{ return _T("Copyright (c) 1998, Valve LLC");			}
+	virtual const TCHAR*	OtherMessage1	(void)		{ return _T("");				}
+	virtual const TCHAR*	OtherMessage2	(void)		{ return _T("");				}
+	virtual unsigned int	Version			(void)		{ return 201;					}
+	virtual void			ShowAbout		(HWND hWnd)	{ return;						}
+	// virtual int				DoExport		(const TCHAR *name, ExpInterface *ei, Interface *i);
+	virtual int		DoExport(const TCHAR *name,ExpInterface *ei,Interface *i, BOOL suppressPrompts=FALSE,DWORD options=0); // Export	file
+
+	MaxNode		m_MaxNode[512];		// array of nodes
+	long		m_cMaxNode;		// # of nodes
+
+	MaxVertWeight *m_MaxVertex[10000];
+	long		m_cMaxVertex;
+
+	// Animation metrics (gleaned from 3dsMax and cached for convenience)
+	Interval	m_intervalOfAnimation;
+	TimeValue	m_tvStart;
+	TimeValue	m_tvEnd;
+	int			m_tpf;		// ticks-per-frame
+
+private:
+	void					CollectNodes( INode *pnode );
+	BOOL					CollectModel( ExpInterface *pexpiface );
+};
+
+
+//===================================================================
+// Basically just a ClassFactory for communicating with 3DSMAX.
+//
+class VWeightExportClassDesc : public ClassDesc
+{
+public:
+	int				IsPublic		(void)					{ return TRUE;								}
+	void *			Create			(BOOL loading=FALSE)	{ return new VWeightExportClass;				}
+	const TCHAR *	ClassName		(void)					{ return _T("VWeightExport");					}
+	SClass_ID 		SuperClassID	(void)					{ return SCENE_EXPORT_CLASS_ID;				}
+	Class_ID 		ClassID			(void)					{ return Class_ID(0x554b1092, 0x206a444f);	}
+	const TCHAR *	Category		(void)					{ return _T("");							}
+};
+
+
+//===================================================================
+// Tree Enumeration Callback
+//		Just counts the nodes in the node tree
+//
+class CountNodesTEP : public ITreeEnumProc
+{
+public:
+	virtual int				callback(INode *node);
+	int						m_cNodes;		// running count of nodes
+};
+
+
+//===================================================================
+// Tree Enumeration Callback
+//		Collects the nodes in the tree into the global array
+//
+class CollectNodesTEP : public ITreeEnumProc
+{
+public:
+	virtual int				callback(INode *node);
+	VWeightExportClass			*m_phec;
+};
+
+
+
+//===================================================================
+// Tree Enumeration Callback
+//		Dumps the triangle meshes to a file.
+//
+class CollectModelTEP : public ITreeEnumProc
+{
+public:
+	virtual int				callback(INode *node);
+	void					cleanup(void);
+	// FILE					*m_pfile;		// write to this file
+	TimeValue				m_tvToDump;		// dump snapshot at this frame time
+	VWeightExportClass			*m_phec;
+	IPhyContextExport		*m_mcExport;
+	IPhysiqueExport			*m_phyExport;
+    Modifier				*m_phyMod;
+	Modifier				*m_bonesProMod;
+	BonesPro_WeightArray	*m_wa;
+private:
+	int						CollectWeights( int iVertex, MaxVertWeight *pweight );
+};
+
+
+//===================================================================
+// Prototype declarations
+//
+void ResetINodeMap( void );
+int BuildINodeMap(INode *pnode);
+void AddINode( INode *pnode );
+int GetIndexOfNodeName( TCHAR *szNodeName, BOOL fAssertPropExists = TRUE );
+int GetIndexOfINode( INode *pnode, BOOL fAssertPropExists = TRUE);
+
+BOOL FUndesirableNode( INode *pnode);
+BOOL FNodeMarkedToSkip( INode *pnode);
+Modifier *FindPhysiqueModifier( INode *nodePtr );
+Modifier *FindBonesProModifier( INode *nodePtr );
+int AssertFailedFunc(char *sz);
+#define ASSERT_MBOX(f, sz) ((f) ? 1 : AssertFailedFunc(sz))
+void GetUnifiedCoord( Point3 &p1, MaxVertWeight pweight[], MaxNode maxNode[], int cMaxNode );
+
+int GetBoneWeights( IPhyContextExport *mcExport, int iVertex, MaxVertWeight *pweight);
+int GetBoneWeights( Modifier * bonesProMod, int iVertex, MaxVertWeight *pweight);
+void SetBoneWeights( Modifier * bonesProMod, int iVertex, MaxVertWeight *pweight);
+
diff --git a/utils/vweightexp/vweightexp.vcproj b/utils/vweightexp/vweightexp.vcproj
new file mode 100644
index 0000000..b367641
--- /dev/null
+++ b/utils/vweightexp/vweightexp.vcproj
@@ -0,0 +1,189 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="7.10"
+	Name="vweightexp"
+	ProjectGUID="{6233E118-9880-4484-8243-AB7BE7AF96A1}"
+	SccProjectName=""
+	SccLocalPath="">
+	<Platforms>
+		<Platform
+			Name="Win32"/>
+	</Platforms>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory=".\Debug"
+			IntermediateDirectory=".\Debug"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE"
+			CharacterSet="2">
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories="..\..\MAXSDK\INCLUDE"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;VWEIGHTEXP_EXPORTS"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				UsePrecompiledHeader="2"
+				PrecompiledHeaderFile=".\Debug/vweightexp.pch"
+				AssemblerListingLocation=".\Debug/"
+				ObjectFile=".\Debug/"
+				ProgramDataBaseFileName=".\Debug/"
+				BrowseInformation="1"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				DebugInformationFormat="4"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="maxutil.lib geom.lib mesh.lib core.lib odbc32.lib odbccp32.lib"
+				OutputFile="c:\3DSMAX3_1\plugins\VWEIGHTEXP.DLE"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				AdditionalLibraryDirectories="..\..\maxsdk\lib"
+				ModuleDefinitionFile=".\vweightexp.def"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile=".\Debug/VWEIGHTEXP.pdb"
+				ImportLibrary=".\Debug/VWEIGHTEXP.lib"
+				TargetMachine="1"/>
+			<Tool
+				Name="VCMIDLTool"
+				PreprocessorDefinitions="_DEBUG"
+				MkTypLibCompatible="TRUE"
+				SuppressStartupBanner="TRUE"
+				TargetEnvironment="1"
+				TypeLibraryName=".\Debug/vweightexp.tlb"
+				HeaderFileName=""/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="_DEBUG"
+				Culture="1033"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory=".\Release"
+			IntermediateDirectory=".\Release"
+			ConfigurationType="2"
+			UseOfMFC="0"
+			ATLMinimizesCRunTimeLibraryUsage="FALSE"
+			CharacterSet="2">
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="2"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="..\..\MAXSDK\INCLUDE"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;VWEIGHTEXP_EXPORTS"
+				StringPooling="TRUE"
+				RuntimeLibrary="0"
+				EnableFunctionLevelLinking="TRUE"
+				UsePrecompiledHeader="2"
+				PrecompiledHeaderFile=".\Release/vweightexp.pch"
+				AssemblerListingLocation=".\Release/"
+				ObjectFile=".\Release/"
+				ProgramDataBaseFileName=".\Release/"
+				WarningLevel="3"
+				SuppressStartupBanner="TRUE"
+				CompileAs="0"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="maxutil.lib geom.lib mesh.lib core.lib odbc32.lib odbccp32.lib"
+				OutputFile="c:\3DSMAX3_1\plugins\VWEIGHTEXP.DLE"
+				LinkIncremental="1"
+				SuppressStartupBanner="TRUE"
+				AdditionalLibraryDirectories="..\..\maxsdk\lib"
+				ModuleDefinitionFile=".\vweightexp.def"
+				ProgramDatabaseFile=".\Release/VWEIGHTEXP.pdb"
+				ImportLibrary=".\Release/VWEIGHTEXP.lib"
+				TargetMachine="1"/>
+			<Tool
+				Name="VCMIDLTool"
+				PreprocessorDefinitions="NDEBUG"
+				MkTypLibCompatible="TRUE"
+				SuppressStartupBanner="TRUE"
+				TargetEnvironment="1"
+				TypeLibraryName=".\Release/vweightexp.tlb"
+				HeaderFileName=""/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"
+				PreprocessorDefinitions="NDEBUG"
+				Culture="1033"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cxx;rc;def;r;odl;idl;hpj;bat">
+			<File
+				RelativePath="vweight.cpp">
+			</File>
+			<File
+				RelativePath="vweightexp.cpp">
+			</File>
+			<File
+				RelativePath="vweightexp.def">
+			</File>
+			<File
+				RelativePath="vweightimp.cpp">
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl">
+			<File
+				RelativePath="vweightexp.h">
+			</File>
+			<File
+				RelativePath="vweightexprc.h">
+			</File>
+			<File
+				RelativePath="vweightimp.h">
+			</File>
+		</Filter>
+		<Filter
+			Name="Resource Files"
+			Filter="ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe">
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
diff --git a/utils/vweightexp/vweightexprc.h b/utils/vweightexp/vweightexprc.h
new file mode 100644
index 0000000..e6482bf
--- /dev/null
+++ b/utils/vweightexp/vweightexprc.h
@@ -0,0 +1,28 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+//{{NO_DEPENDENCIES}}
+// Microsoft Developer Studio generated include file.
+// Used by smdlexp.rc
+//
+#define IDD_SMDLEXP_UI                  101
+#define IDD_EXPORTOPTIONS               101
+#define IDC_CHECK_SKELETAL              1000
+#define IDC_CHECK_DEFORM                1001
+#define IDC_CHECK_REFFRAME              1002
+#define IDC_CHECK_PHYSIQUE              1003
+
+// Next default values for new objects
+// 
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        102
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1006
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif
diff --git a/utils/vweightexp/vweightimp.cpp b/utils/vweightexp/vweightimp.cpp
new file mode 100644
index 0000000..87921dc
--- /dev/null
+++ b/utils/vweightexp/vweightimp.cpp
@@ -0,0 +1,354 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "MAX.H"
+#include "DECOMP.H"
+#include "STDMAT.H"
+#include "ANIMTBL.H"
+#include "istdplug.h"
+#include "phyexp.h"
+#include "BonesPro.h"
+
+#include "vweightexprc.h"
+#include "vweightexp.h"
+#include "vweightimp.h"
+
+
+//===================================================================
+// Global variable definitions
+//
+
+// For OutputDebugString and misc sprintf's
+static char st_szDBG[8193];
+
+
+
+//=====================================================================
+// Methods for VWeightImportClass
+//
+
+CONSTRUCTOR VWeightImportClass::VWeightImportClass(void)
+{
+	m_cSrcMaxNodes	= 0;
+	m_cSrcMaxVertex	= 0;
+	m_cMaxNodes = 0;
+}
+
+
+DESTRUCTOR VWeightImportClass::~VWeightImportClass(void)
+{
+	for (int i = 0; i < m_cSrcMaxVertex; i++)
+	{
+		delete[] m_SrcMaxVertex[i];
+	}
+}
+
+
+int VWeightImportClass::DoImport(const TCHAR *name, ImpInterface *ii, Interface *pi, BOOL suppressPrompts) 
+{
+	ImpInterface	*pimpiface = ii;
+	Interface		*piface = pi;
+	
+	// Break up filename, re-assemble longer versions
+	TSTR strPath, strFile, strExt;
+	TCHAR szFile[MAX_PATH];
+	SplitFilename(TSTR(name), &strPath, &strFile, &strExt);
+		sprintf(szFile,  "%s\\%s.%s",  (char*)strPath, (char*)strFile, DEFAULT_EXT);
+
+
+	// Get animation metrics
+	m_intervalOfAnimation = piface->GetAnimRange();
+	m_tvStart = m_intervalOfAnimation.Start();
+	m_tvEnd = m_intervalOfAnimation.End();
+	m_tpf = ::GetTicksPerFrame();
+
+	Interface *ip = GetCOREInterface();
+
+	ResetINodeMap( );
+	m_cMaxNodes = BuildINodeMap( ip->GetRootNode() );
+
+	CollectNodes( ip->GetRootNode() );
+
+	// read src data
+	FILE *pFile;
+	if ((pFile = fopen(szFile, "rb")) == NULL)
+		return FALSE/*failure*/;
+
+	int version = 1;
+	fread( &version, 1, sizeof( int ), pFile );
+
+	int i, j;
+
+	fread( &m_cSrcMaxNodes, 1, sizeof( int ), pFile );
+	fread( &m_cSrcMaxVertex, 1, sizeof( int ), pFile );
+
+	for (i = 0; i < m_cSrcMaxNodes; i++)
+	{
+		fread( &m_SrcMaxNode[i], 1, sizeof(m_SrcMaxNode[i]), pFile );
+	}
+
+	int cNodes = (m_cSrcMaxNodes > m_cMaxNodes) ? m_cSrcMaxNodes : m_cMaxNodes;
+	for (j = 0; j < m_cSrcMaxVertex; j++)
+	{
+		m_SrcMaxVertex[j] = new MaxVertWeight [cNodes];
+		fread( m_SrcMaxVertex[j], m_cSrcMaxNodes, sizeof(MaxVertWeight), pFile );
+	}
+
+	fclose( pFile );
+
+	RemapSrcWeights( );
+	
+	NodeEnum( ip->GetSelNode( 0 ) );
+
+	// Tell user that exporting is finished (it can take a while with no feedback)
+	char szExportComplete[300];
+	sprintf(szExportComplete, "Imported %s.", szFile);
+	MessageBox(GetActiveWindow(), szExportComplete, "Status", MB_OK);
+
+	return 1/*success*/;
+}
+	
+
+void VWeightImportClass::CollectNodes( INode *pnode )
+{
+	// Get pre-stored "index"
+	int index = ::GetIndexOfINode(pnode);
+
+	if (index >= 0)
+	{
+		// Get name, store name in array
+		TSTR strNodeName(pnode->GetName());
+		strcpy(m_MaxNode[index].szNodeName, (char*)strNodeName);
+
+		// Get Node's time-zero Transformation Matrices
+		m_MaxNode[index].mat3NodeTM		= pnode->GetNodeTM(0);
+		m_MaxNode[index].mat3ObjectTM	= pnode->GetObjectTM(0);
+	}
+
+	for (int c = 0; c < pnode->NumberOfChildren(); c++)
+	{
+		CollectNodes(pnode->GetChildNode(c));
+	}
+
+	return;
+}
+	
+	
+void VWeightImportClass::NodeEnum( INode *node )
+{
+#if 0
+	// For each child of this node, we recurse into ourselves
+	// until no more children are found.
+	for (int c = 0; c < node->NumberOfChildren(); c++)
+	{
+		NodeEnum(node->GetChildNode(c));
+	}
+#endif
+
+	UpdateModel( node );
+}
+
+void VWeightImportClass::RemapSrcWeights( )
+{
+	int index;
+
+	for (index = 0; index < m_cMaxNodes; index++)
+	{
+		m_iToSrc[index] = -1;
+	}
+
+	for (int iSrc = 0; iSrc < m_cSrcMaxNodes; iSrc++)
+	{
+		index = GetIndexOfNodeName( (char*) m_SrcMaxNode[iSrc].szNodeName );
+		if (index >= 0)
+		{
+			m_iToSrc[index] = iSrc;
+		}
+		else
+		{
+			iSrc = iSrc;
+		}
+	}
+
+	MaxVertWeight flTmp[512];
+	for (index = 0; index < m_cMaxNodes; index++)
+	{
+		flTmp[index].flDist = 0.0;
+		flTmp[index].flWeight = 0.0;
+	}
+
+	for (int iVert = 0; iVert < m_cSrcMaxVertex; iVert++)
+	{
+		for (index = 0; index < m_cMaxNodes; index++)
+		{
+			if (m_iToSrc[index] >= 0)
+			{
+				flTmp[index] = m_SrcMaxVertex[iVert][m_iToSrc[index]];
+			}
+		}
+		for (index = 0; index < m_cMaxNodes; index++)
+		{
+			m_SrcMaxVertex[iVert][index] = flTmp[index];
+		}
+	}
+}
+
+
+int VWeightImportClass::UpdateModel(INode *pnode)
+{
+	if (::FNodeMarkedToSkip(pnode))
+		return TREE_CONTINUE;
+
+	if ( !pnode->Selected())
+		return TREE_CONTINUE;
+
+	// clear physique export parameters
+	m_mcExport = NULL;
+	m_phyExport = NULL;
+    m_phyMod = NULL;
+    m_bonesProMod = NULL;
+
+	ASSERT_MBOX(!(pnode)->IsRootNode(), "Encountered a root node!");
+
+	int iNode = ::GetIndexOfINode(pnode);
+	TSTR strNodeName(pnode->GetName());
+	
+	// The Footsteps node apparently MUST have a dummy mesh attached!  Ignore it explicitly.
+	if (FStrEq((char*)strNodeName, "Bip01 Footsteps"))
+		return TREE_CONTINUE;
+
+	// Helper nodes don't have meshes
+	Object *pobj = pnode->GetObjectRef();
+	if (pobj->SuperClassID() == HELPER_CLASS_ID)
+		return TREE_CONTINUE;
+
+	// Get Node's object, convert to a triangle-mesh object, so I can access the Faces
+	ObjectState os = pnode->EvalWorldState(m_tvStart);
+	pobj = os.obj;
+
+	// Shouldn't have gotten this far if it's a helper object
+	if (pobj->SuperClassID() == HELPER_CLASS_ID)
+	{
+		return TREE_CONTINUE;
+	}
+
+	// convert mesh to triobject
+	if (!pobj->CanConvertToType(triObjectClassID))
+		return TREE_CONTINUE;
+	TriObject *ptriobj = (TriObject*)pobj->ConvertToType(m_tvStart, triObjectClassID);
+
+	if (ptriobj == NULL)
+		return TREE_CONTINUE;
+
+	Mesh *pmesh = &ptriobj->mesh;
+
+	// We want the vertex coordinates in World-space, not object-space
+	Matrix3 mat3ObjectTM = pnode->GetObjectTM(m_tvStart);
+
+	// initialize physique export parameters
+    m_phyMod = FindPhysiqueModifier(pnode);
+    if (m_phyMod)
+	{
+		// Physique Modifier exists for given Node
+	    m_phyExport = (IPhysiqueExport *)m_phyMod->GetInterface(I_PHYINTERFACE);
+
+        if (m_phyExport)
+        {
+            // create a ModContext Export Interface for the specific node of the Physique Modifier
+           m_mcExport = (IPhyContextExport *)m_phyExport->GetContextInterface(pnode);
+
+		   if (m_mcExport)
+		   {
+		       // convert all vertices to Rigid 
+                m_mcExport->ConvertToRigid(TRUE);
+		   }
+		}
+	}
+
+	// initialize bones pro export parameters
+	m_wa  = NULL;
+	m_bonesProMod = FindBonesProModifier(pnode);
+	if (m_bonesProMod)
+	{
+		m_bonesProMod->SetProperty( BP_PROPID_GET_WEIGHTS, &m_wa );
+	}
+
+
+	int cVerts = pmesh->getNumVerts();
+
+	// Dump the triangle face info
+	int cFaces = pmesh->getNumFaces();
+
+	MaxVertWeight mvTmp[512];
+
+	for (int iVert = 0; iVert < cVerts; iVert++)
+	{
+		Point3 pt3Vertex1 = pmesh->getVert(iVert);
+		Point3 v1 = pt3Vertex1 * mat3ObjectTM;
+
+		if (v1.x < -24.0)
+		{
+			v1 = v1;
+		}
+
+		GetUnifiedCoord( v1, mvTmp, m_MaxNode, m_cMaxNodes );
+		GetBoneWeights( m_bonesProMod, iVert, mvTmp );
+
+		int iClosest = -1;
+		float flMinDist = 1E30f;
+		for (int iVert2 = 0; iVert2 < m_cSrcMaxVertex; iVert2++)
+		{
+			float flDist = 0;
+			for (int index = 0; index < m_cMaxNodes && flDist < flMinDist; index++)
+			{
+				if (m_iToSrc[index]>=0)
+				{
+					float tmp = mvTmp[index].flDist - m_SrcMaxVertex[iVert2][index].flDist;
+					flDist += (tmp * tmp);
+				}
+			}
+			if (flDist < flMinDist)
+			{
+				iClosest = iVert2;
+				flMinDist = flDist;
+			}
+		}
+
+		if (iClosest != -1)
+		{
+			SetBoneWeights( m_bonesProMod, iVert, m_SrcMaxVertex[iClosest] );
+		}
+	}
+
+	if (m_bonesProMod)
+	{
+		m_bonesProMod->SetProperty ( BP_PROPID_REFRESH, NULL );
+	}
+	// fflush( m_pfile );
+
+	return TREE_CONTINUE;
+}
+
+
+
+void UpdateModelTEP::cleanup(void)
+{
+	if (m_phyMod && m_phyExport)
+	{
+		if (m_mcExport)
+		{
+			m_phyExport->ReleaseContextInterface(m_mcExport);
+			m_mcExport = NULL;
+        }
+        m_phyMod->ReleaseInterface(I_PHYINTERFACE, m_phyExport);
+		m_phyExport = NULL;
+		m_phyMod = NULL;
+	}
+}
+
+
diff --git a/utils/vweightexp/vweightimp.h b/utils/vweightexp/vweightimp.h
new file mode 100644
index 0000000..9a0e586
--- /dev/null
+++ b/utils/vweightexp/vweightimp.h
@@ -0,0 +1,130 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+//===================================================================
+// Useful macros
+//
+#define CONSTRUCTOR
+#define DESTRUCTOR
+
+#define EXPORT_THIS		__declspec(dllexport)
+
+#define DEFAULT_EXT		_T("vvw")
+
+#define FStrEq(sz1, sz2) (strcmp((sz1), (sz2)) == 0)
+
+
+//===================================================================
+// Class that implements the scene-export.
+//
+class VWeightImportClass : public SceneImport
+{
+	// friend BOOL CALLBACK ImportOptionsDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
+	// friend class DumpModelTEP;
+	// friend class DumpDeformsTEP;
+
+public:
+	CONSTRUCTOR				VWeightImportClass	(void);
+	DESTRUCTOR				~VWeightImportClass	(void);
+
+	// Required by classes derived from SceneExport
+	virtual int				ExtCount		(void)		{ return 1;						}
+	virtual const TCHAR*	Ext				(int i)		{ return DEFAULT_EXT;			}
+	virtual const TCHAR*	LongDesc		(void)		{ return _T("Valve Skeletal Model Exporter for 3D Studio Max");	}
+	virtual const TCHAR*	ShortDesc		(void)		{ return _T("Valve VVW");			}
+	virtual const TCHAR*	AuthorName		(void)		{ return _T("Valve, LLC");			}
+	virtual const TCHAR*	CopyrightMessage(void)		{ return _T("Copyright (c) 1998, Valve LLC");			}
+	virtual const TCHAR*	OtherMessage1	(void)		{ return _T("");				}
+	virtual const TCHAR*	OtherMessage2	(void)		{ return _T("");				}
+	virtual unsigned int	Version			(void)		{ return 201;					}
+	virtual void			ShowAbout		(HWND hWnd)	{ return;						}
+	// virtual int				DoExport		(const TCHAR *name, ExpInterface *ei, Interface *i);
+	virtual int		DoImport(const TCHAR *name,ImpInterface *ii,Interface *i, BOOL suppressPrompts=FALSE); // Export	file
+
+	MaxNode		m_SrcMaxNode[512];		// array of nodes
+	long		m_cSrcMaxNodes;		// # of nodes
+
+	MaxVertWeight *m_SrcMaxVertex[10000];
+	long		m_cSrcMaxVertex;
+
+	MaxNode		m_MaxNode[512];		// array of nodes
+	long		m_cMaxNodes;		// # of nodes
+
+	int			m_iToSrc[512];	// translate src nodes to local bones
+
+	// Animation metrics (gleaned from 3dsMax and cached for convenience)
+	Interval	m_intervalOfAnimation;
+	TimeValue	m_tvStart;
+	TimeValue	m_tvEnd;
+	int			m_tpf;		// ticks-per-frame
+
+private:
+	void		CollectNodes( INode *pnode );
+	void		NodeEnum( INode *node );
+	int			UpdateModel( INode *node );
+	void		CollectWeights(int iVertex, MaxVertWeight *pweight);
+	void		RemapSrcWeights( void );
+
+	IPhyContextExport		*m_mcExport;
+	IPhysiqueExport			*m_phyExport;
+    Modifier				*m_phyMod;
+	Modifier				*m_bonesProMod;
+	BonesPro_WeightArray	*m_wa;
+
+};
+
+
+//===================================================================
+// Basically just a ClassFactory for communicating with 3DSMAX.
+//
+class VWeightImportClassDesc : public ClassDesc
+{
+public:
+	int				IsPublic		(void)					{ return TRUE;								}
+	void *			Create			(BOOL loading=FALSE)	{ return new VWeightImportClass;				}
+	const TCHAR *	ClassName		(void)					{ return _T("VWeightImport");					}
+	SClass_ID 		SuperClassID	(void)					{ return SCENE_IMPORT_CLASS_ID;				}
+	Class_ID 		ClassID			(void)					{ return Class_ID(0x554b1092, 0x206a444f);	}
+	const TCHAR *	Category		(void)					{ return _T("");							}
+};
+
+
+//===================================================================
+// Tree Enumeration Callback
+//		Collects the nodes in the tree into the global array
+//
+class UpdateNodesTEP : public ITreeEnumProc
+{
+public:
+	virtual int				callback(INode *node);
+	VWeightImportClass		*m_phec;
+};
+
+
+//===================================================================
+// Tree Enumeration Callback
+//		Dumps the triangle meshes to a file.
+//
+class UpdateModelTEP : public ITreeEnumProc
+{
+public:
+	virtual int				callback(INode *node);
+	void					cleanup(void);
+	// FILE					*m_pfile;		// write to this file
+	TimeValue				m_tvToDump;		// dump snapshot at this frame time
+	VWeightImportClass		*m_phec;
+	IPhyContextExport		*m_mcExport;
+	IPhysiqueExport			*m_phyExport;
+    Modifier				*m_phyMod;
+	Modifier				*m_bonesProMod;
+	BonesPro_WeightArray	*m_wa;
+private:
+	void					CollectWeights( int iVertex, MaxVertWeight *pweight );
+};
+
+